题目内容
解方程.
χ×
×
=
8×χ=
÷
.
χ×
| 1 |
| 3 |
| 4 |
| 9 |
| 1 |
| 6 |
8×χ=
| 6 |
| 25 |
| 1 |
| 5 |
(1)x×
×
=
,
x×
=
,
x×
×
=
×
,
x=
;
(2)8×x=
÷
,
8x=
,
8x÷8=
÷8,
x=
.
| 1 |
| 3 |
| 4 |
| 9 |
| 1 |
| 6 |
x×
| 4 |
| 27 |
| 1 |
| 6 |
x×
| 4 |
| 27 |
| 27 |
| 4 |
| 1 |
| 6 |
| 27 |
| 4 |
x=
| 9 |
| 8 |
(2)8×x=
| 6 |
| 25 |
| 1 |
| 5 |
8x=
| 6 |
| 5 |
8x÷8=
| 6 |
| 5 |
x=
| 3 |
| 20 |
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